Uranus is the Father Sky, the Ancient Greek personification of the heavens and, for a while, the ruler of the known universe.
Fatherless, he was conceived by Gaea alone, with whom he formed the primordial couple, thus becoming an ancestor of almost all Greek gods. However, he was a cruel husband, and he didn’t allow any of his children to leave the womb of their mother, which eventually led to a rebellion and his demise at the hands of his son, Kronos